Crusades, medieval thought and religion

      What do the crusades tell us about medieval thought and religion? Describe the competing notions of love and marriage that existed in the Middle Ages. The medieval Church encountered several obstacles in trying to establish Christianity in Europe throughout the Middle Ages. What were some of these challenges, and how did the Church seek to overcome them? What were some complaints about the Church in the late Middle Ages (c. 1300-c.1500)? What were some of the key aspects of medieval Jewish intellectual culture in the Middle Ages?